US2707685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur composition
Assignee: ATLAS MINERAL PRODUCTS Co
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Filing: 1954-01-06
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Granted: 1955-05-03
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Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Seymour
- 👤 Walter R Pascoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:32
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/0243; C04; C04B; C04B28/00; C04B28/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |